| Willich to Marco de Canavezes | 985.85 mi (1,586.58 km) |
| Willich to Marinha Grande | 1,088.72 mi (1,752.12 km) |
| Willich to Massama | 1,154.44 mi (1,857.89 km) |
| Willich to Matosinhos | 1,004.44 mi (1,616.49 km) |
| Willich to Mealhada | 1,038.54 mi (1,671.37 km) |
| Willich to Melgaco | 941.48 mi (1,515.17 km) |
| Willich to Melres | 1,000.40 mi (1,609.99 km) |
| Willich to Mira | 1,045.22 mi (1,682.11 km) |
| Willich to Miranda do Corvo | 1,050.11 mi (1,689.99 km) |
| Willich to Mirandela | 937.71 mi (1,509.10 km) |
| Willich to Mogadouro | 930.86 mi (1,498.07 km) |
| Willich to Moimenta da Beira | 978.98 mi (1,575.52 km) |
| Willich to Moita | 1,151.15 mi (1,852.59 km) |
| Willich to Moncao | 951.12 mi (1,530.69 km) |
| Willich to Montalegre | 940.24 mi (1,513.16 km) |
